The Low Energy Two Pion Interactions |
Common terms and phrases
a₁ A₂ A₂² ABC experiment angular distribution approximation method assumed asymptotic behavior behaves Bransden calculation Chapter Chew and Mandelstam CORNELL UNIVERSITY cose coupling constant cross section crossing symmetry cut-off D₂ decay defined denominator function dispersion relation dominant solution energy dependence experimental EZRA CORNEL final state inter final state interaction final state wave formula G. F. Chew G₂ given h₂ He³ high energy integral equation inverse amplitude method isospin Jost function Khuri and Treiman left-hand cut LIBRARY matrix element N/D method numerical obtained odd pion pair parameters partial wave amplitude particles phase shift Phys physical pion-pion final pion-pion interaction pion-pion scattering pole potential primary interaction relativistic S-wave pion-pion scattering amplitude Schroedinger equation singularity strong interaction subtraction constants symmetry point T-decay spectrum t₂ theory two-body problem unitarity V_Vo Watson wave function wave resonance wave scattering length width zero